Host Discovery
| SWITCH | EXAMPLE | DESCRIPTION |
|---|---|---|
| -sL | nmap 192.168.1.1-3 -sL | No Scan. List targets only |
| -sn | nmap 192.168.1.1/24 -sn | Disable port scanning. Host discovery only. |
| -Pn | nmap 192.168.1.1-5 -Pn | Disable host discovery. Port scan only. |
| -PS | nmap 192.168.1.1-5 -PS22-25,80 | TCP SYN discovery on port x. |
| Port 80 by default | ||
| -PA | nmap 192.168.1.1-5 -PA22-25,80 | TCP ACK discovery on port x. |
| Port 80 by default | ||
| -PU | nmap 192.168.1.1-5 -PU53 | UDP discovery on port x. |
| Port 40125 by default | ||
| -PR | nmap 192.168.1.1-1/24 -PR | ARP discovery on local network |
| -n | nmap 192.168.1.1 -n | Never do DNS resolution |
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